<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div>
    <ul>
        <li id="l1">张三</li>
        <li id="l2">李四</li>
        <li>王五</li>
        <a href="" id="" class="a1">尚硅谷</a>
        <span>嘿嘿嘿</span>
    </ul>
</div>


<a href="" title="a2">百度</a>

<div id="d1">
        <span>
            哈哈哈
        </span>
</div>

<p id="p1" class="p1">呵呵呵</p>
</body>
</html>
